scaup duck

Synonyms:

bluebill, broadbill, scaup

Types:

Aythya marila, greater scaup

large scaup of North America having a greenish iridescence on the head of the male

Aythya affinis, lake duck, lesser scaup, lesser scaup duck

common scaup of North America; males have purplish heads

Type of:

duck

small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs